package com.litianhao.community.controller;

import com.litianhao.community.entity.Comment;
import com.litianhao.community.entity.DiscussPost;
import com.litianhao.community.entity.Page;
import com.litianhao.community.entity.User;
import com.litianhao.community.service.CommentService;
import com.litianhao.community.service.DiscussPostService;
import com.litianhao.community.service.LikeService;
import com.litianhao.community.service.UserService;
import com.litianhao.community.util.CommunityConstant;
import com.litianhao.community.util.CommunityUtil;
import com.litianhao.community.util.HostHolder;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Controller;
import org.springframework.ui.Model;
import org.springframework.web.bind.annotation.PathVariable;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RequestMethod;
import org.springframework.web.bind.annotation.ResponseBody;

import java.util.*;

/**
 * @author litianhao
 * @create 2020-03-16 14:08
 */
@Controller
@RequestMapping("/discuss")
public class DiscussPostController implements CommunityConstant {

    @Autowired
    private DiscussPostService discussPostService;

    @Autowired
    private HostHolder hostHolder;

    @Autowired
    private UserService userService;

    @Autowired
    private CommentService commentService;

    @Autowired
    private LikeService likeService;

    @RequestMapping(path = "/add",method = RequestMethod.POST)
    @ResponseBody
    public String addDisscussPost(String title,String content){
        User user = hostHolder.getUser();
        if(user == null){
            return CommunityUtil.getJSONString(403,"还没有登录");
        }
        DiscussPost post = new DiscussPost();
        post.setUserId(user.getId());
        post.setTitle(title);
        post.setContent(content);
        post.setCreateTime(new Date());
        discussPostService.addDiscussPost(post);


        return CommunityUtil.getJSONString(0,"发布成功");
    }

    @RequestMapping(path = "/detail/{discussPostId}",method = RequestMethod.GET)
    public String getDiscussPost(@PathVariable("discussPostId") int discussPostId, Model model, Page page){
        DiscussPost post = discussPostService.findDisscussPostById(discussPostId);
        model.addAttribute("post",post);
        //作者
        User user = userService.findUserById(post.getUserId());
        model.addAttribute("user",user);
        //查赞
        long likeCount = likeService.findEntityLikeCount(ENTITY_TYPE_POST,discussPostId);
        model.addAttribute("likeCount",likeCount);
        //点赞状态
        int likeStatus = hostHolder.getUser() == null ? 0 :
                likeService.findEntityLikeStatus(hostHolder.getUser().getId(),ENTITY_TYPE_POST,discussPostId);
        model.addAttribute("likeStatus",likeStatus);

        //评论的分页信息
        page.setLimit(5);
        page.setPath("/discuss/detail/"+discussPostId);
        page.setRows(post.getCommentCount());

        //评论：给帖子的评论
        //回复：给评论的评论
        //评论列表
        List<Comment> commentList = commentService.findCommentsByEntity(ENTITY_TYPE_POST, post.getId(), page.getOffset(), page.getLimit());
        //评论Vo列表
        List<Map<String,Object>> commentVoList = new ArrayList<>();
        if(commentList != null){
            for(Comment comment : commentList){
                //评论Vo
                Map<String,Object> commentVo = new HashMap<>();
                //评论
                commentVo.put("comment",comment);
                //作者
                commentVo.put("user",userService.findUserById(comment.getUserId()));
                //查赞
                likeCount = likeService.findEntityLikeCount(ENTITY_TYPE_COMMENT,comment.getId());
                commentVo.put("likeCount",likeCount);
                //点赞状态
                likeStatus = hostHolder.getUser() == null ? 0 :
                        likeService.findEntityLikeStatus(hostHolder.getUser().getId(),ENTITY_TYPE_COMMENT,comment.getId());
                commentVo.put("likeStatus",likeStatus);

                //回复列表
                List<Comment> replyList = commentService.findCommentsByEntity(ENTITY_TYPE_COMMENT, comment.getId(), 0, Integer.MAX_VALUE);
                //回复Vo列表
                List<Map<String,Object>> replyVoList = new ArrayList<>();
                if(replyList != null){
                    for(Comment reply : replyList){
                        Map<String,Object> replyVo = new HashMap<>();
                        //回复
                        replyVo.put("reply",reply);
                        //作者
                        replyVo.put("user",userService.findUserById(reply.getUserId()));
                        // 回复目标
                        User target = reply.getTargetId() == 0 ? null : userService.findUserById(reply.getTargetId());
                        replyVo.put("target", target);

                        //查赞
                        likeCount = likeService.findEntityLikeCount(ENTITY_TYPE_COMMENT,reply.getId());
                        replyVo.put("likeCount",likeCount);
                        //点赞状态
                        likeStatus = hostHolder.getUser() == null ? 0 :
                                likeService.findEntityLikeStatus(hostHolder.getUser().getId(),ENTITY_TYPE_COMMENT,reply.getId());
                        replyVo.put("likeStatus",likeStatus);

                        replyVoList.add(replyVo);
                    }
                }
                commentVo.put("replys", replyVoList);

                // 回复数量
                int replyCount = commentService.findCommentCount(ENTITY_TYPE_COMMENT, comment.getId());
                commentVo.put("replyCount", replyCount);

                commentVoList.add(commentVo);
            }
        }
        model.addAttribute("comments", commentVoList);
        return "/site/discuss-detail";
    }

}
